Select the two correct statements out of the five (i-v) giv…

Biology NEET Full Syllabus Mock Test 180 Questions New Syllabus Mock Test - 10 PCB Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 13, 2026

Select the two correct statements out of the five (i-v) given below about lac operon.

(i) Glucose or galactose may bind with the repressor and inactivate it.

(ii) In the absence of lactose, the repressor binds with the operator region.

(iii) The z-gene codes for permease.

(iv) This was elucidated by Francois Jacob and Jacque Monod.

(v) Glucose is the substrate for enzyme betagalactosidase.

(ii), (iii) and (v)

(i) and (iii)

(ii) and (iv)

(i) and (ii)

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